--- a/hotspot/src/share/vm/opto/memnode.hpp Mon Mar 09 13:34:00 2009 -0700
+++ b/hotspot/src/share/vm/opto/memnode.hpp Thu Mar 12 18:16:36 2009 -0700
@@ -207,6 +207,19 @@
virtual BasicType memory_type() const { return T_BYTE; }
};
+//------------------------------LoadUBNode-------------------------------------
+// Load a unsigned byte (8bits unsigned) from memory
+class LoadUBNode : public LoadNode {
+public:
+ LoadUBNode(Node* c, Node* mem, Node* adr, const TypePtr* at, const TypeInt* ti = TypeInt::UBYTE )
+ : LoadNode(c, mem, adr, at, ti) {}
+ virtual int Opcode() const;
+ virtual uint ideal_reg() const { return Op_RegI; }
+ virtual Node* Ideal(PhaseGVN *phase, bool can_reshape);
+ virtual int store_Opcode() const { return Op_StoreB; }
+ virtual BasicType memory_type() const { return T_BYTE; }
+};
+
//------------------------------LoadUSNode-------------------------------------
// Load an unsigned short/char (16bits unsigned) from memory
class LoadUSNode : public LoadNode {
@@ -232,6 +245,18 @@
virtual BasicType memory_type() const { return T_INT; }
};
+//------------------------------LoadUI2LNode-----------------------------------
+// Load an unsigned integer into long from memory
+class LoadUI2LNode : public LoadNode {
+public:
+ LoadUI2LNode(Node* c, Node* mem, Node* adr, const TypePtr* at, const TypeLong* t = TypeLong::UINT)
+ : LoadNode(c, mem, adr, at, t) {}
+ virtual int Opcode() const;
+ virtual uint ideal_reg() const { return Op_RegL; }
+ virtual int store_Opcode() const { return Op_StoreL; }
+ virtual BasicType memory_type() const { return T_LONG; }
+};
+
//------------------------------LoadRangeNode----------------------------------
// Load an array length from the array
class LoadRangeNode : public LoadINode {
@@ -757,10 +782,10 @@
// Model. Monitor-enter and volatile-load act as Aquires: no following ref
// can be moved to before them. We insert a MemBar-Acquire after a FastLock or
// volatile-load. Monitor-exit and volatile-store act as Release: no
-// preceeding ref can be moved to after them. We insert a MemBar-Release
+// preceding ref can be moved to after them. We insert a MemBar-Release
// before a FastUnlock or volatile-store. All volatiles need to be
// serialized, so we follow all volatile-stores with a MemBar-Volatile to
-// seperate it from any following volatile-load.
+// separate it from any following volatile-load.
class MemBarNode: public MultiNode {
virtual uint hash() const ; // { return NO_HASH; }
virtual uint cmp( const Node &n ) const ; // Always fail, except on self